A123970 - OEIS

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A123970 as a simple table

`n`		`a(n)`
`0`		`1`
`1`		`1`
`2`		`-1`
`3`		`1`
`4`		`-3`
`5`		`1`
`6`		`1`
`7`		`-6`
`8`		`5`
`9`		`-1`
`10`		`1`
`11`		`-10`
`12`		`15`
`13`		`-7`
`14`		`1`
`15`		`1`
`16`		`-15`
`17`		`35`
`18`		`-28`
`19`		`9`
`20`		`-1`
`21`		`1`
`22`		`-21`
`23`		`70`
`24`		`-84`
`25`		`45`
`26`		`-11`
`27`		`1`
`28`		`1`
`29`		`-28`
`30`		`126`
`31`		`-210`
`32`		`165`
`33`		`-66`
`34`		`13`
`35`		`-1`
`36`		`1`
`37`		`-36`
`38`		`210`
`39`		`-462`
`40`		`495`
`41`		`-286`
`42`		`91`
`43`		`-15`
`44`		`1`
`45`		`1`
`46`		`-45`
`47`		`330`
`48`		`-924`
`49`		`1287`
`50`		`-1001`
`51`		`455`
`52`		`-120`
`53`		`17`
`54`		`-1`
`55`		`1`
`56`		`-55`
`57`		`495`
`58`		`-1716`
`59`		`3003`
`60`		`-3003`
`61`		`1820`
`62`		`-680`
`63`		`153`
`64`		`-19`
`65`		`1`
`66`		`1`
`67`		`-66`
`68`		`715`
`69`		`-3003`
`70`		`6435`
`71`		`-8008`

[1,1,-1,1,-3,1,1,-6,5,-1,1,-10,15,-7,1,1,-15,35, -28,9,-1,1,-21,70,-84,45,-11,1,1,-28,126,-210,165, -66,13,-1,1,-36,210,-462,495,-286,91,-15,1,1,-45, 330,-924,1287,-1001,455,-120,17,-1,1,-55,495, -1716,3003,-3003,1820,-680,153,-19,1,1,-66,715, -3003,6435,-8008]

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Last modified April 25 10:22 EDT 2024. Contains 371967 sequences. (Running on oeis4.)